Class: EventManager

Inherits:
Object
  • Object
show all
Defined in:
lib/gimuby/event/event_manager.rb

Overview

Core of the event managing system, this class stores listener and call them on event triggering.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ EventManager

Returns a new instance of EventManager.



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# File 'lib/gimuby/event/event_manager.rb', line 7

def initialize
  @listeners_registry = {} #contains array
end

Instance Method Details

#register_listener(name, &block) ⇒ Object

Parameters:

  • name (String) —

    The event name

  • block (Block) —

    The callback that will be call



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# File 'lib/gimuby/event/event_manager.rb', line 14

def register_listener(name, &block)
  unless @listeners_registry.has_key? name
    @listeners_registry[name] = []
  end
  @listeners_registry[name].push block
end

#trigger_event(name, event = {}) ⇒ Object

Parameters:

  • name (String) —

    The event name

  • event (Event) (defaults to: {}) —

    The event object



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# File 'lib/gimuby/event/event_manager.rb', line 23

def trigger_event(name, event = {})
  if @listeners_registry.has_key? name
    if event.class == Hash
      event = Event.new(name, event)
    end
    listeners = @listeners_registry[name]
    listeners.each do |block|
      block.call event
    end
  end
end